Somos® ProtoTherm 12120

Turning up the heat 

Smooth, durable applications with red coloring

For applications in automotive and aerospace, Somos® ProtoTherm 12120 delivers high temperature resistance with exceptional surface finishing and superior dimensional stability, making parts more robust. Somos® ProtoTherm 12120 provides smooth, durable, red parts with quicker turn-around times for testing.


  • Automotive, aerospace
  • High-temperature fluid flow analysis
  • Functional prototypes requiring heat and humidity resistance
  • High-detail parts
  • Low volume connectors and harnesses for electronics

Product Features

  • Extremely precise accuracy for small details
  • Resistant to heat up to 250°F / 121°C
  • Stable in high humidity environments


How customers use our material

Accelerating design changes with 3D printing

Forze Hydrogen Electric Racing utilized additive manufacturing to quickly make design changes to their supercar.

World-leading marine engine manufacturer improves performance for competitive edge

Mercury Marine enhanced its engine development program using stereolithography 3D printing.

How can we help?

Get in touch with our experts to discuss how Covestro can help you tap into the full potential of additive manufacturing.